OFFICERS attended a road traffic collision on the A4042 between Cwmbran and Newport, at 6.20pm on Friday 4 November, and are appealing for anyone with information or dashcam footage to assist with their enquiries.
The collision was between a burnt orange BMW M3 and a motorbike, however the car left the scene prior to the arrival of emergency services.
Paramedics from the Welsh Ambulance Service attended and a 33-year-old man from the Newport area has been taken to hospital for treatment, where he remains in a serious condition.
A 50-year-old man from the Cwmbran area and a 40-year-old man from the Newport area have been arrested on suspicion of causing serious injury by dangerous driving and failing to stop at the scene of a road traffic collision.
Both men have since been released from police custody pending further enquiries.
Officers are particularly interested to hear from anyone who may have seen a burnt orange BMW M3 or a grey BMW M140i being driven on this stretch of road between 6pm and 6.20pm.
You can call us on 101 or send us a direct message on Facebook or Twitter, quoting log reference 2200374230 with any details.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.